厚肉球状黒鉛鋳鉄のX線CTによる3次元黒鉛組織観察

DOI Web Site

書誌事項

タイトル別名
  • Three-Dimensional Observation of Graphite Structure of Heavy Section Spheroidal Graphite Cast Iron with Xray CT
  • アツニク キュウジョウ コクエン チュウテツ ノ Xセン CT ニ ヨル 3ジゲン コクエン ソシキ カンサツ

この論文をさがす

抄録

<p>  The morphologies of various abnormal graphite can be observed in heavy-section spheroidal graphite cast iron, which are not found in thin-section spheroidal graphite cast iron. For example, chunky graphite that crystallizes as the eutectic solidification time becomes longer is a typical abnormal graphite structure, and it is known to reduce the fatigue strength, tensile strength, and elongation in spheroidal graphite cast iron. Papers on anomalous graphite have been reported, in many cases observing two-dimensional cross-sections with an optical microscope, but few reports have focused on the overall three-dimensional structure. In this study, heavy-section graphite cast iron with different wall thicknesses is imaged by high-resolution X-ray CT, and the three-dimensional structure of graphite is observed to clarify the characteristic structural differences and formation process of chunky graphite, etc. As for the volume fractions of graphite structures, when the eutectic solidification time increases, the graphite nodule size becomes coarse. In addition, when the graphite nodule size increases from 60μm to 67μm or more, the shape of the graphite becomes more complex.</p>

収録刊行物

  • 鋳造工学

    鋳造工学 93 (10), 612-617, 2021-10-25

    公益社団法人 日本鋳造工学会

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ